Phase transition and the nucleon as a soliton in the Nambu-Jona-Lasinio model at finite temperature and density

@inproceedings{Berger1996PhaseTA,
  title={Phase transition and the nucleon as a soliton in the Nambu-Jona-Lasinio model at finite temperature and density},
  author={Jori A. Berger and Chr.-V. Christov},
  year={1996}
}
We study some bulk thermodynamical characteristics, meson properties and the nucleon as a baryon number one soliton in a hot quark matter in the NJL model as well as in a hot nucleon matter in a hybrid NJL model in which the Dirac sea of quarks is combined with a Fermi sea of nucleons. In both cases, working in mean-field approximation, we find a chiral phase transition from Goldstone to Wigner phase. At finite density the chiral order parameter and the constituent quark mass have a non… CONTINUE READING

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